Base | Representation |
---|---|
bin | 1010001000110000… |
… | …0011010000101101 |
3 | 21000122011120200011 |
4 | 2202030003100231 |
5 | 21033043134302 |
6 | 1130001533221 |
7 | 124300461040 |
oct | 24214032055 |
9 | 7018146604 |
10 | 2721068077 |
11 | 1176a767a2 |
12 | 63b344211 |
13 | 344982070 |
14 | 1bb558c57 |
15 | 10dd475d7 |
hex | a230342d |
2721068077 has 16 divisors (see below), whose sum is σ = 3364049920. Its totient is φ = 2143262592.
The previous prime is 2721068069. The next prime is 2721068081. The reversal of 2721068077 is 7708601272.
It is a cyclic number.
It is not a de Polignac number, because 2721068077 - 23 = 2721068069 is a prime.
It is a super-2 number, since 2×27210680772 = 14808422959336955858, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2721068017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46752 + ... + 87337.
It is an arithmetic number, because the mean of its divisors is an integer number (210253120).
Almost surely, 22721068077 is an apocalyptic number.
It is an amenable number.
2721068077 is a deficient number, since it is larger than the sum of its proper divisors (642981843).
2721068077 is a wasteful number, since it uses less digits than its factorization.
2721068077 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134332.
The product of its (nonzero) digits is 65856, while the sum is 40.
The square root of 2721068077 is about 52163.8579574019. The cubic root of 2721068077 is about 1396.0890981589.
The spelling of 2721068077 in words is "two billion, seven hundred twenty-one million, sixty-eight thousand, seventy-seven".
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